Question and response
Question
dig insights.buzzback.com. MX
Answer
insights.buzzback.com. 3600 MX 0 insights-buzzback-com.mail.protection.outlook.com.
Authority
buzzback.com. 3600 NS ns52.domaincontrol.com.
buzzback.com. 3600 NS ns51.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0